Which statement is true about point Y?

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Ответ:

NeriyahY

20.09.2021

Mathematics

The value of y is –3 Step 1

Equation obtained from the question.

4x² + 2y = 8 .............(1)

2x² = 7..... (2)

Step 2:

Determination of the value of x².

From equation 2,

$2x^{2} = 7$

Divide both side by 2

$x^{2} = \frac{7}{2}$

Step 3:

Determination of the value of y

From equation 1,

$4x^{2} + 2y = 8\\ \\But\\\\x^{2} = \frac{7}{2}\\\\Thus\\\\4(\frac{7}{2}) + 2y = 8$

Clear bracket

14 + 2y = 8

Collect like terms

Divide both side by 2

$y = \frac{-6}{2}$ y = –3

Therefore, the value of y is –3

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